Improvement in weighing-scales



GEORGE DIUKINSON, OF CHARLESTON, ILLINOIS.

Letters Patent No. 106,560, dated August 23, 1870.

IMPROVEMENT IN WEIGHING-SCALES.

The Schedule referred to in these Letters Patent and making part of thesame.

To all whom it may concern Be itknown that I, Gannon W. Droarssos, ofCharleston, in the county of Coles and State of illinois, have inventeda new and useful Improvement in Scales; and I do hereby declare that thefollowing is a full, clear, and exact description thereof, which willscales balanced across a vibrating shaft aml pulley, by

means of a level and flexible cord. in these devices 1 a graduated andradially-rotatcd arc and a pointer are employed to indicate thedifferent weights.

My improvcimmt upon these consists in dispensing with the radial pointeraltogcthe and substituting a perpendicular pendant or vcrnier, whichacts as pointer for the pounds and exhibits the ounce lines upon its ownsurface.

A represents the stand or pedestal, the base of which is made somewhatU-shaped, and 'ii'om the middle part of. the bond or how of whichprojects the upright or shaft of the pedestal.

R is the frame of the scale, the side parts of which are made somewhatlike a. quadrant in shape.

0 is a shaft, thejournals of which pass through holes in the sides ofthe frame B, so that the axis of the said shaft 0 may be exactly in thecenter of the curved edges of said sides.

1) is a band or strap, one. end of which is attached to the middle partofthe shaft 0. The strap 1) 'is wound one or more times around the shaftC, and from its other end is suspended the scale-pan E.

1* are arms, the lower ends of which are pivoted to the sides of theframe B, and in their other or upper ends are formed long notches, inwhich the journals of the shaft or roller 0 rest, so that, as the saidshaft is revolved, they may revolve in the said notches, while they arekept from moving forward-by passing through holes in the sides of theframe B, as before described.

G is a lever, which is rigidly connected with-the roller or .shaft (1,so as to be carried with said shaft in its revolution.

The lever G extends along the inner side of oneof the side parts of theframe B, and to its outer end is pivoted a vernier, H, having a smallweight-stand formed upon or attached to its lower end.

Along the curved edge of the side of the frame B is formed a scale, I,ofdivision-marks, said marks being all vertical, and, consequently,parallel with each other. These division-marks indicate the pounds.

The fractions ofa pound are read from the scale J of the division-marks,formed along the upper edge of the vernier H.

'By this arrangement it; will be observed that the same effect isproduced as is produced by shifting the pea along' the beam ofasteclyard.

Having thus described my invcnt-ion- I claim as new and desire to secureby Letters latent- The combination of the weightedpendant H, attachedtothe end of the radial lever, and provided with vertical lines to makethe ounces, with an arcplatc, B, having perpendicularlines ofsubdivision for the pounds, all as shown and described.

\Vitncsscs: GEO. \V. DICKINSON.

Jo. DAYTos JOSEPH W. DIKOB.

